訓 しも ・ 音 ソウ
Sino-Vietnamese: sương
Rain 雨 (weather) gives the meaning and 相 gives the sound. Sino-Vietnamese sương means frost, as in sương giá.
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今朝は畑に霜が降りた。 (けさははたけにしもがおりた)
Frost formed on the fields this morning.